/*
 *  Copyright 2008-2010 the original author or authors.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */
package org.openaecfm.spf.io.representation;

import org.openaecfm.model.geometry.Direction;
import org.openaecfm.model.representation.GeometricRepresentationContext;
import org.openaecfm.model.representation.RepresentationContext;
import org.openaecfm.spf.io.AbstractEntityInstanceInputImpl;
import org.openaecfm.spf.io.IAppDataManager;
import org.openaecfm.spf.io.IEntityInstanceOutput;
import org.openaecfm.spf.io.IEntityInstanceUtilInput;
import org.openaecfm.spf.io.IEntityInstanceUtilOutput;
import org.openaecfm.spf.model.DollarParameter;
import org.openaecfm.spf.model.EntityInstance;
import org.openaecfm.spf.model.EntityInstanceNameParameter;
import org.openaecfm.spf.model.IntegerParameter;
import org.openaecfm.spf.model.NodeType;
import org.openaecfm.spf.model.Parameter;
import org.openaecfm.spf.model.RealParameter;
import org.openaecfm.spf.model.SimpleEntityInstance;

public final class GeometricRepresentationContextIO extends
		AbstractEntityInstanceInputImpl<GeometricRepresentationContext>
		implements IEntityInstanceUtilInput<GeometricRepresentationContext>,
		IEntityInstanceOutput<GeometricRepresentationContext>,
		IEntityInstanceUtilOutput<GeometricRepresentationContext> {
	private IEntityInstanceUtilInput<RepresentationContext> utilInput;
	private IEntityInstanceUtilOutput<RepresentationContext> utilOutput;

	public void setUtilOutput(
			IEntityInstanceUtilOutput<RepresentationContext> utilOutput) {
		this.utilOutput = utilOutput;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public String exportSPF(GeometricRepresentationContext pojo,
			IAppDataManager appDataManager) {
		SimpleEntityInstance ei = new SimpleEntityInstance(
				"IFCGEOMETRICREPRESENTATIONCONTEXT",
				appDataManager.getName(pojo));

		this.exportSPF(pojo, ei, appDataManager);

		return ei.toString();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected GeometricRepresentationContext doCreateObject() {
		return new GeometricRepresentationContext();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void exportSPF(GeometricRepresentationContext pojo,
			EntityInstance ei, IAppDataManager appDataManager) {
		utilOutput.exportSPF(pojo, ei, appDataManager);
		
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set CoordinateSpaceDimension
		IntegerParameter dimension = new IntegerParameter(
				pojo.getCoordinateSpaceDimension());
		sei.addParameter(dimension);

		// Set Precision
		if (pojo.getPrecision() == null) {
			DollarParameter d = DollarParameter.getInstance();
			sei.addParameter(d);
		} else {
			RealParameter r = new RealParameter(pojo.getPrecision());
			sei.addParameter(r);
		}

		// Set WorldCoordinateSystem
		EntityInstanceNameParameter world = new EntityInstanceNameParameter(
				appDataManager.getName(pojo.getWorldCoordinateSystem()));
		sei.addParameter(world);

		// Set TrueNorth
		if (pojo.getTrueNorth() == null) {
			DollarParameter d = DollarParameter.getInstance();
			sei.addParameter(d);
		} else {
			EntityInstanceNameParameter n = new EntityInstanceNameParameter(
					appDataManager.getName(pojo.getTrueNorth()));
			sei.addParameter(n);
		}
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void resolveNotReferenceParameter(EntityInstance ei,
			GeometricRepresentationContext pojo) {
		utilInput.resolveNotReferenceParameter(ei, pojo);
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set CoordinateSpaceDimension
		IntegerParameter dimension = (IntegerParameter) sei.getParameter(2);
		pojo.setCoordinateSpaceDimension(dimension.toInteger());

		// Set Precision
		Parameter precision = sei.getParameter(3);
		if (precision.getNodeType() == NodeType.REAL) {
			RealParameter r = (RealParameter) precision;
			pojo.setPrecision(r.toDouble());
		}
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void resolveReferenceParameter(EntityInstance ei,
			GeometricRepresentationContext pojo, IAppDataManager appDataManager) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set WorldCoordinateSystem
		EntityInstanceNameParameter world = (EntityInstanceNameParameter) sei
				.getParameter(4);
		Object w = appDataManager.getObject(world.toInstanceName());
		pojo.setWorldCoordinateSystem(w);

		// Set TrueNorth
		Parameter truenorth = sei.getParameter(5);
		if (truenorth.getNodeType() == NodeType.ENTITY_INSTANCE_NAME) {
			EntityInstanceNameParameter n = (EntityInstanceNameParameter) truenorth;
			pojo.setTrueNorth((Direction) appDataManager.getObject(n
					.toInstanceName()));
		}
	}

	public void setUtilInput(
			IEntityInstanceUtilInput<RepresentationContext> utilInput) {
		this.utilInput = utilInput;
	}
}
